package servlet.admin;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import offer.system.GetMemberRoleRelationSource;
import offer.system.GetRoleSource;
import system.bean.MemberRoleRelation;
import system.bean.Role;

public class AjaxGetMemberRolesServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public AjaxGetMemberRolesServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		out
				.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
		out.println("<HTML>");
		out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");
		out.println("  <BODY>");
		out.print("    This is ");
		out.print(this.getClass());
		out.println(", using the GET method");
		out.println("  </BODY>");
		out.println("</HTML>");
		out.flush();
		out.close();
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/xml; charset=utf-8");
		request.setCharacterEncoding("utf-8");
		response.setHeader("Cache-Control","no-cache"); 
		PrintWriter out = response.getWriter();
		String memberId   = request.getParameter("memberId");
		ArrayList<Object> mrList   = GetMemberRoleRelationSource.getMRRelationByMember(Integer.parseInt(memberId));
		ArrayList<Integer> MofRoleIds = new ArrayList<Integer>();
		MemberRoleRelation mrRelation = null;
		for(int i = 0 ; i < mrList.size() ; i++ ){
			mrRelation = (MemberRoleRelation)mrList.get(i);
			MofRoleIds.add(mrRelation.getRoleId());
		}
		ArrayList<Object> roleList = GetRoleSource.getList();
		StringBuilder xmlData      = new StringBuilder();
		xmlData.append("<?xml version='1.0' encoding='UTF-8'?>");
		xmlData.append("<Roles>");
		Role role = null;
		for(int i = 0; i < roleList.size(); i++){
			role = (Role)roleList.get(i);
			xmlData.append("<RoleItem>");
			xmlData.append("<roleId>"+role.getRoleId()+"</roleId>");
			xmlData.append("<title>"+role.getTitle()+"</title>");
			if(MofRoleIds.contains(role.getRoleId())){
				xmlData.append("<isContains>yes</isContains>");
			}else{
				xmlData.append("<isContains>no</isContains>");
			}
			xmlData.append("</RoleItem>");
		}
		xmlData.append("</Roles>");
		out.write(xmlData.toString());
		out.flush();
		out.close();
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}
